linux-kernel - Re: [PATCH 2/2] devicetree: document NXP LPC1850 PINT irq controller binding

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Date:	Wed, 2 Mar 2016 12:13:14 -0600
From:	Rob Herring <robh@...nel.org>
To:	Joachim Eastwood <manabian@...il.com>
Cc:	tglx@...utronix.de, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] devicetree: document NXP LPC1850 PINT irq controller
 binding

On Thu, Feb 25, 2016 at 11:04:47PM +0100, Joachim Eastwood wrote:
> Add binding documentation for NXP LPC1850 GPIO Pin Interrupt (PINT)
> controller.
> 
> Signed-off-by: Joachim Eastwood <manabian@...il.com>
> ---
>  .../interrupt-controller/nxp,lpc1850-gpio-pint.txt | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/nxp,lpc1850-gpio-pint.txt
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/nxp,lpc1850-gpio-pint.txt b/Documentation/devicetree/bindings/interrupt-controller/nxp,lpc1850-gpio-pint.txt
> new file mode 100644
> index 000000000000..dc43f187ebda
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/nxp,lpc1850-gpio-pint.txt
> @@ -0,0 +1,22 @@
> +NXP LPC18xx/43xx GPIO Pin Interrupt (PINT) controller
> +
> +Required properties:
> +
> +- compatible : should be "nxp,lpc1850-gpio-pint".
> +- reg : Specifies base physical address and size of the registers.
> +- interrupt-controller : Identifies the node as an interrupt controller
> +- #interrupt-cells : Specifies the number of cells needed to encode an
> +  interrupt source. The value shall be 2.
> +- interrupts : Specifies the CPU interrupts the controller is connected to.

How many (8?) and what's the ordering?

> +- clocks: Must contain a reference to the functional clock.
> +
> +Example:
> +
> +pint: interrupt-controller@...87000 {
> +	compatible = "nxp,lpc1850-gpio-pint";
> +	reg = <0x40087000 0x1000>;
> +	interrupt-controller;
> +	#interrupt-cells = <2>;
> +	interrupts = <32 33 34 35 36 37 38 39>;
> +	clocks = <&ccu1 CLK_CPU_GPIO>;
> +};
> -- 
> 1.8.0
> 
> --
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